/*
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is MPEG4IP.
 *
 * The Initial Developer of the Original Code is Cisco Systems Inc.
 * Portions created by Cisco Systems Inc. are
 * Copyright (C) Cisco Systems Inc. 2001.  All Rights Reserved.
 *
 * Contributor(s):
 *      Dave Mackie     dmackie@cisco.com
 */

#include "src/impl.h"

namespace mp4v2
{
    namespace impl
    {

        ///////////////////////////////////////////////////////////////////////////////

        MP4ElstAtom::MP4ElstAtom(MP4File &file)
            : MP4Atom(file, "elst")
        {
            AddVersionAndFlags();

            MP4Integer32Property *pCount =
                new MP4Integer32Property(*this, "entryCount");
            AddProperty(pCount);

            MP4TableProperty *pTable = new MP4TableProperty(*this, "entries", pCount);
            AddProperty(pTable);
        }

        void MP4ElstAtom::AddProperties(uint8_t version)
        {
            MP4TableProperty *pTable = (MP4TableProperty *)m_pProperties[3];

            if (version == 1)
            {
                pTable->AddProperty(
                    new MP4Integer64Property(pTable->GetParentAtom(), "segmentDuration"));
                pTable->AddProperty(
                    new MP4Integer64Property(pTable->GetParentAtom(), "mediaTime"));
            }
            else
            {
                pTable->AddProperty(
                    new MP4Integer32Property(pTable->GetParentAtom(), "segmentDuration"));
                pTable->AddProperty(
                    new MP4Integer32Property(pTable->GetParentAtom(), "mediaTime"));
            }

            pTable->AddProperty(
                new MP4Integer16Property(pTable->GetParentAtom(), "mediaRate"));
            pTable->AddProperty(
                new MP4Integer16Property(pTable->GetParentAtom(), "reserved"));
        }

        void MP4ElstAtom::Generate()
        {
            SetVersion(0);
            AddProperties(GetVersion());

            MP4Atom::Generate();
        }

        void MP4ElstAtom::Read()
        {
            /* read atom version */
            ReadProperties(0, 1);

            /* need to create the properties based on the atom version */
            AddProperties(GetVersion());

            /* now we can read the remaining properties */
            ReadProperties(1);

            Skip(); // to end of atom
        }

        ///////////////////////////////////////////////////////////////////////////////

    }
} // namespace mp4v2::impl
